
3.5 inch ips lcd display screen
►Resolution : 480X800 dots
►View Direction: IPS
►Interface: RGB(24bit/18bit/16bit)
►Driver IC: ST7701S
►Brightness(cd/m²): 480
►Outline Dimension: 51.32 * 86.61 * 2.1(mm)
►RTP/CTP: Optional
DESCRIPTION
The C35B5102 is a 3.5 inch ips lcd display screen with optional resistive touch screen and capacitive touch screen control with a resolution of 480×800 pixels. This size TFT LCD monitor is portrait mode, TFT panel adopts IPS panel, Left: 85 / Right: 85 / Top: 85 / Bottom: 85 degrees (typical). Optional RTP or CTP.
This C35B5102 module has built-in ST7701S controller IC, supports RGB (24bit/18bit/16bit) interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 480 nits (typical value), and the contrast ratio is 800:1 .This module is ideal for medical equipment, communication equipment, etc. industry. The module can operate from -10°C to +70°C; its storage temperature range is -20°C to +80°C
DRAWING

SPECIFICATIONS
General Specifications
Item | Contents | Unit |
Size | 3.5 | inch |
LCM Dimension | 51.32(W)* 86.61(H) * 2.1(T) | mm |
LCD Active Area | 45.36 * 75.60 | mm |
Number Of Dots | 480×800 | pixel |
LCD Type | a-Si TFT | |
Viewing Direction | IPS | |
Driver IC | ST7701S | |
Interface Type | RGB(24bit/18bit/16bit) | |
Operating Temperature | -10℃~ 70℃ | |
Storage Temperature | -20℃~ 80℃ | |
Backlight Type | 7 LEDs | |
Brightness | 480 | cd/m2 |
Interface
LCM PIN Definition
NO. | Symbol | Description | ||
1 | LEDK | BACKLIGHT CATHODE | ||
2 | LEDA | BACKLIGHT ANODE | ||
3 | YU | Touch Panel Up | ||
4 | XL | Touch Panel Left | ||
5 | YD | Touch Panel Down | ||
6 | XR | Touch Panel Right | ||
7 | GND | Ground | ||
8 | VCI | POWER SUPPLY | ||
9 | NC | Not Connect | ||
10 | IOVCC | I/O POWER SUPPLY | ||
11 | TE | Not Connect | ||
12 | SDO | Serial Data Output | ||
13 | SDI | Serial Data Input | ||
14 | SCL | Serial Clock | ||
15 | CS | Chip Select | ||
16 | RESET | Reset pin | ||
17-40 | DB23-DB0 | Date Bus | Used | Unused |
16-bit bus | DB21~17, DB13~8,
DB5~1 |
DB23~22, DB16~14,
DB7~6, DB0 |
||
18-bit bus | DB21~16, DB13~8,
DB5~0 |
DB23~22, DB15~14,
DB7~6 |
||
24-bit bus | DB23~D0 | — | ||
41 | ENABLE | Data Enable Signal | ||
42 | DOTCLK | Dot Clock Signa | ||
43 | HSYNC | Line Synchronizing Signal | ||
44 | VSYNC | Frame Synchronizing Signal | ||
45 | LEDPWM | CABC Contral Pin | ||
46-50 | NC | Not Connect | ||
51 | GND | Ground |
DC Characteristics
Item | Symbol | Min | Typ | Max | Unit |
TFT gate on voltage | VGH | — | 15 | — | V |
TFT gate off voltage | VGL | — | -11 | — | V |
TFT common electrode Voltage | Vcom | — | 0 | — | V |
Typical Operation Conditions
Item | Symbol | Min. | Typ. | Max. | Unit |
Analog Supply Voltage | VCI | 2.5 | 2.8 | 3.3 | V |
Digital Supply Voltage | VDD | 2.5 | 2.8 | 3.3 | V |
I/O Supply Voltage | IOVCC | 1.65 | 1.8/2.8 | 3.3 | V |
Input High Voltage | VIH | 0.8*IOVCC | – | IOVCC | V |
Input Low Voltage | VIL | 0 | – | 0.2*IOVCC | V |
Output High Voltage | VOH | 0.8*IOVCC | – | – | V |
Output Low Voltage | VOL | – | – | 0.2*IOVCC | V |
Backlight Circuit Characteristics
Item | Symbol | Min. | Typ. | Max. | Unit |
LED Current | IB | — | 20 | — | mA |
LED Voltage | Vf | 20.3 | 21 | 23.1 | V |
CIE | X | 0.305 | 0.335 | 0.365 | |
Y | 0.345 | 0.375 | 0.395 | ||
Brightness of LCM | L | 350 | 480 | — | cd/m2 |
Reliability Test Items
Test Item | Test Parameters | Key factors for determining test results |
High temperature storage | 80±3 ℃,48H; | |
Low temperature storage | -30±3 ℃,48H; | |
High temperature storage | 70±3 ℃,48H; | Inspection after 2~4hours storage at roomtemperature, |
Low temperature operation | -20±3 ℃,48H; | the sample shall be free from defects: |
High temperature/humidity | 60℃±3 ℃,90%±3%RH ,48H; | 1.Air bubble in the LCD; |
Thermal Shock | ~20℃/0.5h~+70℃/0.5h for a total 24 cycles; |
2.Non-display; |
Vibration Test |
Frequency 10Hz~55Hz~10Hz | 3.Glass crack; |
Amplitude:1.5mm, X,Y,Z | ||
direction for total 1H; | 4. The electrical | |
(Packing condition) | ||
ESD test |
±4KV, Human Body Mode, | characteristics requirements shall be satisfied. |
150pF/330Ω; | ||
±8KV, Air Mode, 150pF/330Ω; |
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